Keep fire from gaining a foothold on your deck or inside your home's walls with ... with a Class A–rated composite decking like AmeraDeck, made from PVC and wood fiber. ... Wood impregnated with flame-retardant chemicals, like this Exterior Fire-X ... Some manufacturers sheathe both sides of their SIPs with fiber cement,...

Trex decks, despite their composite quality, can still burn like natural wood ... but Trex decks actually consist of a combination of wood, plastic and sawdust. ... Trex did not offer a Class A lumber, but some other composite manufacturers do.

Ipe or fire rated composite decking boards may be your best choice. ... I am going to discuss these two types of materials; wood - a natural material and ... Most composite decking manufacturers have fire testing data and its called a flame ... Composite materials are generally high in plastic which has a high heat release rate.